<html>
<head>
    <meta charset="utf-8">
    <title></title>
    <!-- <link rel="stylesheet" type="text/css" href="../dist/2.0/fineui.min.css"/>
    <script src="../dist/2.0/fineui.js"></script> -->
   <link rel="stylesheet" type="text/css" href="http://fanruan.design/fineui/2.0/fineui.min.css" />
   <script src="http://fanruan.design/fineui/2.0/fineui.min.js"></script>
</head>
<body>
<div id="wrapper"></div>
<script>
    !(function () {

        var element2InstanceMap = new WeakMap();

        BI.getInstanceByElement = function (element) {
            return element2InstanceMap.get(element);
        };

        BI.Plugin.config(function (options) {

        }, function (shortcut, instance) {
            instance.element.attr("shortcut", shortcut);
            if (instance.options.$testId) {
                setIDAttribute(instance.element[0], instance.options.$testId);
            }
            element2InstanceMap.set(instance.element[0], instance);
        });

        function setIDAttribute (element, id) {
            if (element.id !== "") {
                throw new Error("不能修改有默认id的元素");
            }
            element.setAttribute("id", id);
        }

        function registerWidgetIdGenerator () {

            const idSet = new Set();

            return function (shortcut, id) {
                if (idSet.has(id)) {
                    throw new Error("id重复了");
                }
                idSet.add(id);
                BI.Plugin.registerObject(shortcut, function (widget) {
                    setIDAttribute(widget.element[0], id);
                });
            };
        }

        BI.registerWidgetId = registerWidgetIdGenerator();
    }());
</script>
<script>

    function setTestId (parentShortcut, childShortcut, testId) {
        BI.Plugin.configRender(parentShortcut, function (rendered) {
            var queue = BI.isArray(rendered) ? rendered : [rendered];// 广度遍历
            while (queue.length > 0) {
                var element = queue.shift();
                BI.each(element, function (key, value) {
                    if (BI.isArray(value)) {
                        queue = queue.concat(value);
                    } else if (BI.isPlainObject(value)) {
                        queue.push(value);
                    } else if ("type" === key && value === childShortcut) {
                        element.$testId = testId;
                    }
                });
            }
            return rendered;
        });
    }

    setTestId("demo.parent", "bi.button_group", "测试testId");

    var Widget = BI.inherit(BI.Widget, {
        setup: function () {
            var list;
            return function () {
                return {
                    type: "bi.vertical",
                    items: [{
                        type: "bi.button_group",
                        height: 100,
                        ref: function (_ref) {
                            list = _ref;
                        },
                        items: BI.range(10).map(function (i) {
                            return {
                                type: "bi.label",
                                text: i,
                                cls: "bi-border"
                            };
                        }),
                        layouts: [{
                            type: "bi.inline",
                            tgap: 10,
                            lgap: 10
                        }]
                    }, {
                        type: "bi.button",
                        text: "点击",
                        handler: function () {
                        }
                    }]
                };
            };
        }
    });
    BI.shortcut("demo.parent", Widget);
    BI.createWidget({
        type: "bi.absolute",
        items: [{
            el: {
                type: "demo.parent"
            },
            top: 100,
            left: 100
        }],
        element: "#wrapper"
    });
</script>
</body>
</html>
